Textiles: fiber preparation – Assembling – Formed silvers
Patent
1976-08-17
1977-12-27
Newton, Dorsey
Textiles: fiber preparation
Assembling
Formed silvers
19 89, D04H 100
Patent
active
040646009
ABSTRACT:
A method for forming a fibrous structure from a fibrous feed by: (1) directing the feed into engagement with projections on a rotating fiberizing drum for separating fibers from the feed; (2) directing the separated fibers to a release zone at which they are released from the periphery of the drum for subsequent conveyance to a foraminous forming surface upon which the fibrous structure is formed; and (3) sealing the outer periphery of the drum in a region between the fiber release zone and the region in which the fibrous feed is directed into engagement with the fiberizing drum by directing a gas against the outer periphery of the drum with a force component in a direction opposed to the direction of rotation of the drum and at a static pressure of at least about two atmospheres to provide a gas velocity which is sufficiently high to remove air trapped between the projections of the drum as the drum is being rotated. Preferably the fibrous feed includes textile-length fibers greater than 1/4 inch in length, and the method includes the step of providing a seal pad in engagement with the outer periphery of the drum in a region that is spaced apart, in the direction of rotation of the drum, from the region on the outer periphery against which the gas is directed.
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Gotchel Joel Peter
Norton Henry James
Spengos Aris C.
Faigus Martin L.
Foley William J.
Newton Dorsey
Scott Paper Company
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